PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F4C1B3A000000Gage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-194-1699 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-194-1699 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-194-1699. Primary manufacturer part number: F4C1B3A000000.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Method: RIGID STEM
  • Bezel Type: SNAP-ON
  • Connector Type Vent: NOT PROVIDED
  • Material: ALUMINUM ALLOY AND STEEL CORROSION RESISTING CASE
  • Material: BRONZE ACTUATING ELEMENT
  • Mounting Connection Location: BOTTOM
  • Surface Treatment: ENAMEL CASE
Applications
  • Applications requiring Aluminum Alloy and Steel Corrosion Resisting Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-194-1699, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-194-1699
Primary Part NumberF4C1B3A000000
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusACTIVE
Mounting MethodRIGID STEM
Bezel TypeSNAP-ON
Connector Type VentNOT PROVIDED
MaterialALUMINUM ALLOY AND STEEL CORROSION RESISTING CASE
MaterialBRONZE ACTUATING ELEMENT
Mounting Connection LocationBOTTOM
Surface TreatmentENAMEL CASE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
ColorBLACK CASE
Connection Size0.250 IN. NPT IN
Connection LocationBOTTOM
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
MaterialGLASS PROTECTIVE CRYSTAL
Surface TreatmentENAMEL CASE
Scale Accuracy1/2 OF 1 PERCENT ENTIRE RANGE
Scale NamePRESSURE
Dial Size4-1/2 IN. DIA IN
Scale Smallest Increment50.0 POUNDS PER SQUARE INCH (PSI) LBS
AdjustabilityADJUSTABLE
Connection LocationBOTTOM
Connection Size0.250 IN. NPT IN
Connection Quantity1
Pointer TypeINDICATING
Scale Accuracy1/2 OF 1 PERCENT ENTIRE RANGE
Mounting Connection LocationBOTTOM
Actuation TypeBOURDON TUBE
Graduation Unit500.0 POUNDS PER SQUARE INCH LBS
Connection TypeEXTERNAL
Bezel TypeSNAP-ON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-050-134935-410R-1/4L-0-400 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-050-1352E1C1F3A10024UAA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-058-1505HD35 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-058-1507HD39 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-065-1485AA442PM4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-067-781735-1009-AW-02B-160# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-168-0386155007-1980 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-194-168345-1279AS-02L-15 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
5120-00-203-6437410-R INTERCHANGEABLE
Clamp,c
Diecraft Inc
6685-00-475-7271 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
F4C1B3A000000 PRIMARY Bristol Babcock Inc Helicoid Instruments Div (USA)
410R Bristol Babcock Inc Helicoid Instruments Div (USA)
G19504 Manostat Corp (USA)
45-410R-1/4L-0/5 Bristol Babcock Inc Helicoid Instruments Div (USA)
13-419-30-A Fisher Scientific Company L.l.c. (USA)
Related Parts
6685-00-050-1349INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35-410R-1/4L-0-400
6685-00-050-1352INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E1C1F3A10024UAA
6685-00-058-1505INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD35
6685-00-058-1507INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD39
6685-00-065-1485INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA442PM4RW
6685-00-067-7817INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35-1009-AW-02B-160#
6685-00-168-0386INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155007-1980
6685-00-194-1683INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1279AS-02L-15
5120-00-203-6437INTERCHANGEABLE
CLAMP,C
410-R
6685-00-475-7271INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3455-00-483-6933INTERCHANGEABLE
FILE,ROTARY
6685-00-585-4428INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
1903 1/4LBM4.5-200PSI/30VAC

Frequently Asked Questions

What is NSN 6685-00-194-1699?

NSN 6685-00-194-1699 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-194-1699?

NSN 6685-00-194-1699 has 5 cross-referenced part numbers: F4C1B3A000000 (Bristol Babcock Inc Helicoid Instruments Div), 410R (Bristol Babcock Inc Helicoid Instruments Div), G19504 (Manostat Corp), 45-410R-1/4L-0/5 (Bristol Babcock Inc Helicoid Instruments Div), 13-419-30-A (Fisher Scientific Company L.l.c.).

What NSN replaces 6685-00-194-1699?

There are 12 known substitutes for 6685-00-194-1699: 6685-00-050-1349, 6685-00-050-1352, 6685-00-058-1505 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F4C1B3A000000?

Key specifications for F4C1B3A000000: Mounting Method: RIGID STEM; Bezel Type: SNAP-ON; Connector Type Vent: NOT PROVIDED; Overall Depth: 2.109 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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